1 Neuro-Ophthalmology Department (AV), Las Vegas Neurology Center; Neurology Residency Program at Valley Hospital Medical Center (AV), Las Vegas, Nevada; College of Osteopathic Medicine (AV), Touro University Nevada; Cizik Eye Clinic (O-oA), The University of Texas Houston, Texas; Blanton Eye Institute (AGL), Houston Methodist Hospital, Houston, Texas; and Department of Ophthalmology and Visual Sciences (GPVS), Washington University in St. Louis School of Medicine, St Louis, Missouri.